Lock-up clutch control device
US7220216B2 · kind B2 · utility
3Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 2004 |
| Grant date | May 22, 2007 |
| Priority date | — |
| Expiry date | Apr 5, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2342/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A lock-up clutch control device for controlling a lock-up clutch mechanism provided to a torque converter is including an estimator means for estimating a contact timing of a friction material included in the lock-up clutch mechanism during a driven state based on an engine rotational speed change when condition of the lock-up clutch mechanism is changed from a disengaging state to an engaging state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.